import java.util.*;
import java.util.Scanner;

public class SimpleCalculator {

	public static void main(String[] args) {
		int number1, number2, choice;
		Scanner input = new Scanner(System.in);
		System.out.println("Nhap vao 2 so nguyen");
		number1 = input.nextInt();
		number2 = input.nextInt();
		System.out.println("Lua chon phep tinh: 1. Cong  2. Tru  3. Nhan  4. Chia");
		choice = input.nextInt();
		
		System.out.print("Ket qua phep tinh la");
		
		switch(choice)
		{
		case 1:
			break;
		case 2:
			break;
		case 3:
			break;
		case 4:
			break;
		default:
			break;		
		}

	}

}
